Method by which plugins and themes extend core WordPress functionality.

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1
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1answer
60 views

How to check if upload window came from the featured image link?

I need to verify if the media-upload screen came from a click on the "feature image link" on the admin screen. How can i do it? I've already change the way the uploader works , but I need to check ...
-2
votes
3answers
188 views

Apply function on all action hooks?

Is there an easy way to apply a function on all action hooks? I want to apply esc_attr() to every action hook (in a way that would work from functions.php or a plugin). I figure I would need ...
0
votes
1answer
656 views

How to display message (with switch_theme hook) after deactivating My theme?

I'm able to display a message by activation of my theme with the 'new' after_switch_theme hook this way: function themeActivationFunction($oldname, $oldtheme=false) { $msg = ' <div ...
1
vote
0answers
69 views

Add a new confirmation page before saving

I'm going to add a hook that does some modifications of the text before saving. Before making the changes permanent, I would like the user to confirm the changes after a "save_post" hook. Is there a ...
2
votes
2answers
276 views

Strict tag list - user should choose only existing tags for posts

While selecting tags for the posts the user is able to create new tags on fly. For example we have the tag 'animal' but the user misstpye it as 'aminal' - and Wordpress creates it. In our blog the ...
0
votes
1answer
481 views

Get user logged in status from within a plugin. $current_user not defined

I'm writing a plugin which adds a class that creates an endpoint for third party software to make API calls to and check if the current user is logged in. Here's a stripped down version of what I'm ...
0
votes
1answer
521 views

wp_enqueue_script before wp_head

If this works (and it's the way people do in a bunch of themes around the web): <html> <head> <!-- stuff --> <?php wp_enqueue_script('jquery'); ?> <?php ...
3
votes
1answer
3k views

Using action hooks inside of a shortcode

I am trying to create a modular plugin that includes action hooks for developers to add content before and after the main shortcode content. I'm having some trouble because anything I do in the ...
5
votes
1answer
2k views

Hook that fires when admin setting is saved

Is there any specific hook that fires when admin setting is saved. I have cached some data from admin back-end setting menu. Now i want to the delete the caching when setting saved in admin menu. ...
1
vote
2answers
805 views

What are ideal hooks to call register_sidebars?

Where should a plugin ideally hook to call register_sidebar();? Will init do just fine? function my_plugin_register_sidebars() { $args = array( 'name' => 'foo' 'description' ...
2
votes
0answers
124 views

Featured image upload finished hook

I'm looking for a way to hook into the process of uploading a featured image. Ideally I would want to be able to do some stuff right when the upload has finished, before the thumbnails are generated. ...
1
vote
1answer
169 views

How to Remove the “Restore” Link in Quick Edit?

I want to know is there any hook to remove the Restore link in the edit page - trash page? /wp-admin/edit.php?post_status=trash I know I can hide it with a css/jquery trick, but I prefer to use a ...
3
votes
1answer
656 views

The 'user_has_cap' hook seems to take two page loads to trigger

This question relates to another question I asked recently (http://wordpress.stackexchange.com/questions/29009/how-to-assign-specific-users-the-capability-to-edit-specific-pages-posts-cus/), the ...
3
votes
1answer
4k views

Overriding The Loop with filter or hook

I'm trying to replace the $wp_query object for a specific category, without having to deal with creating a new template and creating a new WP_Query object there. My aim is to change the data ...
0
votes
1answer
85 views

Checking url from plugin

I'm trying to change the login url from wp-login.php to simply 'login'. I'd been looking through another plugins source to find ways of doing it. Some of the applicable parts that I've got so far: ...
0
votes
1answer
250 views

OOP Plugin: Where should I place the action hooks in the class?

Where in my admin class should I place the action hooks for adding css, scripts and the add menu page? In the __construct? Or should they be placed in a method?
2
votes
2answers
132 views

Too many actions/filters!

New to wordpress here. The concept of actions/filters in and of itself is not too difficult to grasp. What I am overwhelmed by is the HUGE amount of actions and filters available. When I am looking at ...
0
votes
1answer
3k views

How to automatically activate users after registration without activation email?

I want to auto-login my users after signup without an activation email requirement (I'm not concerned about spammers). How might I go about doing this? Thanks!
1
vote
3answers
616 views

Two-step login process - Is it possible?

Is it possible to do the following with Wordpress (without hacking too much code - I would like to make this a general plugin using simple hooks)? Log in with the username/password. If ...
3
votes
1answer
5k views

How to use the_excerpt in a filter hook?

I was hoping to process the_excerpt just like one would with the_content, but no such luck. How can I pass the excerpts of a Posts Page, through my plugin? I've tried variations on this: ...
2
votes
2answers
396 views

Load different template file when condition met?

If I visit a page on my WordPress site, WP goes and determines what template file it should use based on the template hierarchy. If I'm doing some logic checking in the hook init and say my ...
2
votes
1answer
2k views

How can I remove “Proudly powered by WordPress” from twentyeleven without modifying footer.php?

How can I remove "Proudly powered by WordPress" from twentyeleven without modifying footer.php, and without creating a child theme? I'm looking for a php command, such as add_action, remove_action, ...
2
votes
1answer
794 views

What hooks/filters are there to alter selected terms on post save?

Very simple, where would I hook/filter to alter the users selection of terms when they save a post (Update or Add)? I need to hook in all instances; such as when saving a post via AJAX, saving when ...
1
vote
1answer
732 views

Looking for a hook for post.php

First time posting here... I am trying to figure out if there is a hook or action that I can use when a user goes to wp-admin/post.php... Basically when the user goes to post.php I want to check if ...
0
votes
1answer
356 views

Fire a hook programmatically

Is it possible to fire a wordpress hook programmatically? Specifically I'd like to have control of wp-insert-post.
4
votes
1answer
609 views

What is the action hook for save media-form on gallery tab?

I want to save a meta data to post parent when the media-form on gallery tab is saved( The submission button is "Save All Changes"). Which action hook can I use?
0
votes
2answers
248 views

How to deactivate my plugin upon deactivation of NextGen

i'm writing this plugin and i need to deactivate it when NextGen is deactivated: <?php /* Plugin Name: Plugin Name Description: Description Version: 1.0 Author: Author Author URI: Author URI */ ...
2
votes
1answer
219 views

deactivated_plugin hook: get the name of the plugin

I would like that every time any plugin previously activated, a function from my plugin be called, returning (at least) the name of the plugin, or something that allows to identify it (file name?). I ...
2
votes
2answers
1k views

Wordpress Admin Tooltip hooks

I want to know if there is a way to use Wordpress Adminitration Tooltips (de gray and blue ones) that are shown one you update your worpdress (3.x). Showing the new features. Thanks!
0
votes
1answer
184 views

Preset Widgets ONLY after site is initially created

I want to preset some widgets using functions included in my theme ONLY after a site is initially created (my theme is the default for all new sites in my instance of WordPress). I DO NOT want my ...
1
vote
3answers
1k views

What hooks to hook onto for automatic cache clearing

I have a WP-site with not that many writes, but quite a few reads and a few specific hotspots in the templates that I'd like to cache pretty aggressively with my own PHP-caching mechanism. I could ...
1
vote
0answers
81 views

Can I hook into wp_update_core outside of the admin?

I'm trying to bring some of the admin functionality to a custom front end in WordPress. Questions of security and pragmatism of this aside, is there an available hook to trigger wp_update_core outside ...
0
votes
1answer
391 views

How to change database values on theme update

I have a theme released into the wild but have not prefixed the post type appropriately. Yes, I know, it's a shame and I regret it :( So, I am currently using acme as the post type name, but I' like ...
1
vote
1answer
417 views

Which action does wp_update_user triggers?

I am working modifying an ecommerce plugin, and it makes uses of wp_update_user() function, and everytime the function runs another table (created by the plugin), gets updated too. The problem is that ...
6
votes
2answers
3k views

Earliest hook to reliably get $post/$posts

What's the earliest possible action I can hook into where I'll be able to access the global $post/$posts variables on both the front and back ends? I've tried looking through the Codex reference, Adam ...
1
vote
3answers
1k views

Is there a recover_post hook to go with trash_post hook?

I'm using the trash_post hook to set a flag in a custom table to indicate that this item is "deleted", but when the user chooses to restore that post, what hook can I use for that? I couldn't find ...
1
vote
1answer
40 views

Is there any way to allow a plugin to write over a previous version?

When installing a plugin, it will not install if the directory to which it is attempting to install already exists. This means that users of our plugin must first manually deactivate and delete the ...
4
votes
1answer
116 views

How Do I Load My Action Earlier Enough?

With add_action, I want to intercept as early as I can in my plugin and send a 304 Not Modified header per some rules. Does anyone know what the order is of events? When I view this page, it seems to ...
1
vote
1answer
550 views

Add custom column in custom post type edit page

I am using the Content Scheduler plugin to control the post expire. The plugin will add a expiry date column on the wp-admin/edit.php in page and post. However it doesn't show in custom post type page ...
4
votes
3answers
2k views

How many times can I hook into the same action?

I have a theme which includes some setup, using after_setup_theme but I'd like to write my own functions which also need to run after_setup_theme. I'd prefer to keep my stuff in a separate file. Can I ...
0
votes
1answer
362 views

Turning on output buffering in a wordpress plugin

My wordpress plugin uses sessions for handling various things, and on the production site I'm testing it on output buffering is not on by default so I'm getting a lot of messages such as these: ...
0
votes
1answer
1k views

get_current_screen and the WP_Screen class

So I'm trying to figure out how to properly use the get_current_screen. For learning sake, I'm just popping an alert for a specific page. I've looked at ...
0
votes
1answer
143 views

Bug: Post needs to be updated twice when adding action for save_post hook

My function does exactly what I want it to do: I'm trying to add/update meta fields in another post type when an "events" post is saved. Except the post needs to be updated twice for the information ...
0
votes
1answer
325 views

How can I modify the header of RSS feed items?

Specifically I would like to change the value of <dc:creator> in the feed items. In order to display the site name instead of the post author. I'm able to hook into the_title_rss , ...
0
votes
2answers
939 views

modify URL with mod_rewrite or hook

i'm trying to achieve the following: user enters this URL into browser http://mydomain.com/boston/categoryname/postname/ i then want to get the first "folder" and check whether or not it's ...
2
votes
1answer
2k views

Check before publishing, if already exist post with current custom field value

I have a custom post type with only 3 custom fields in it. $post_types = get_post_meta($post->ID,'post_types',true); $post_taxonomies = get_post_meta($post->ID,'post_taxonomies',true); ...
4
votes
1answer
398 views

How do I flush the rules after saving settings using the Settings API?

I'm using the Settings API to allow the user to toggle the has_archive option on some custom post types. When the user turns archives on or off, I want to flush the rewrite rules. If I had written ...
2
votes
1answer
457 views

In what sequence are the hooks fired when a post is “published”?

I would be grateful if someone could point out a link. I understand this may have a very lengthy answer but I searched and couldn't find any resource. Alternatively, it would also be nice if someone ...
1
vote
1answer
237 views

filter the_title problem in nav

Hi I have a problem with the_title filter: I have this code at my constructor: add_filter( 'the_title', array($this, 'change_title') ); and this as callback (for testing purposes) public ...
0
votes
1answer
375 views

Changing the text of Upload/Insert on Posts and Pages Screen

In wp-admin/includes/media.php I found this: function media_buttons($editor_id = 'content') { $context = apply_filters('media_buttons_context', __('Upload/Insert %s')); $img = '<img ...